package com.hc.model.code03.test5;

/**
 * @version v1.0
 * @ClassName: OperatingSystem
 * @Description: 操作系统抽象类（抽象化角色）
 * @Author: HC
 */
public abstract class OperatingSystem {

    public VideoFile videoFile;

    public OperatingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }

    // 播放音乐
    public abstract void play(String fileName);
}
